题解 | #明明的随机数#

#include <iostream>
#include<algorithm>
using namespace std;

const int maxn(1010);
int main() {
int a[maxn];
int n;
cin >> n;
for(int i = 1; i <= n; ++i) cin >> a[i];
sort(a + 1, a + 1 + n);
for(int i = 1; i <= n; ++i){
    if(a[i] != a[i - 1]) cout << a[i] << endl;
}
return 0;
}